Analysis

  • max time kernel
    153s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 05:50

General

  • Target

    b8722ad343d5247c912dd527014bb8c979320ed5bdadf231e46df036a2739c25.exe

  • Size

    165KB

  • MD5

    3ae66d383d792bc05a28b96e3ac0eda3

  • SHA1

    3f645c499cf343b19c89f68904bcfb7b4d74de9b

  • SHA256

    b8722ad343d5247c912dd527014bb8c979320ed5bdadf231e46df036a2739c25

  • SHA512

    daaa2b0f7a4e5485583d4a4f9c585fb9c5adf39d904f9654228a589687ca9613e38496aead61b389c0b06c4f332fc058cadb5169b7f1291b94db134f331ff96e

  • SSDEEP

    3072:kgO0Uq+4zf5bNWcbGnM8JoXtitrOm9da+VOugv7GYLOeGW/X:kxiDD5bNAnM1XwJOud/VjkSMSA

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 8 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 9 IoCs
  • Program crash 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8722ad343d5247c912dd527014bb8c979320ed5bdadf231e46df036a2739c25.exe
    "C:\Users\Admin\AppData\Local\Temp\b8722ad343d5247c912dd527014bb8c979320ed5bdadf231e46df036a2739c25.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4612
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 448
      2⤵
      • Program crash
      PID:4636
    • \??\c:\stealth.dcom.exe
      c:\stealth.dcom.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4892
    • \??\c:\stealth.ddos.exe
      c:\stealth.ddos.exe
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4952
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 496
      2⤵
      • Program crash
      PID:628
    • \??\c:\stealth.injector.exe
      c:\stealth.injector.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:1816
    • \??\c:\stealth.stat.exe
      c:\stealth.stat.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies registry class
      PID:1732
    • \??\c:\stealth.spam1.exe
      c:\stealth.spam1.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1820
    • \??\c:\stealth.spam2.exe
      c:\stealth.spam2.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1868
    • \??\c:\stealth.wm.exe
      c:\stealth.wm.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:1780
    • \??\c:\stealth.exe
      c:\stealth.exe
      2⤵
      • Executes dropped EXE
      PID:216
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 504
      2⤵
      • Program crash
      PID:1164
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4612 -ip 4612
    1⤵
      PID:3404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4612 -ip 4612
      1⤵
        PID:4908
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4612 -ip 4612
        1⤵
          PID:228

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\stealth.bszip.dll

          Filesize

          31KB

          MD5

          c955c72c5d0772257c57a017270b4628

          SHA1

          175c4442b51fdc9efd63cec7c6fec7258af3c707

          SHA256

          ce3c94fd3f24162665394af6dfe7f26e382c396f20a619b735477c8a31c93002

          SHA512

          d60967a83e207d0fc778bbbb828f31a909fdf8e97699071a8673d6b23cd188e6e541e03cbc85a6ff4663280bef372bf43919ed8998be4b62a42db20a079a9d38

        • C:\stealth.bszip.dll

          Filesize

          31KB

          MD5

          c955c72c5d0772257c57a017270b4628

          SHA1

          175c4442b51fdc9efd63cec7c6fec7258af3c707

          SHA256

          ce3c94fd3f24162665394af6dfe7f26e382c396f20a619b735477c8a31c93002

          SHA512

          d60967a83e207d0fc778bbbb828f31a909fdf8e97699071a8673d6b23cd188e6e541e03cbc85a6ff4663280bef372bf43919ed8998be4b62a42db20a079a9d38

        • C:\stealth.dcom.exe

          Filesize

          4KB

          MD5

          f5c0b57549633160bf141d03dc3491df

          SHA1

          dd9983cbb00c9f5fb9df0690a7c9a51ffc00e959

          SHA256

          d33bbca82e6e52c2274e4ea6f9ad91aaaff476d64be90e35e011a66bacb6aed3

          SHA512

          f3f91c919640aaa3f78595d0bfbac6c41108cf364bfbc5fd020000af61b32cec15639d358145e73a9a1e76b9e82a67239c6285832df7ef885d53a608d64c854d

        • C:\stealth.ddos.exe

          Filesize

          4KB

          MD5

          a3bd281e3a3ed1837d4f4445526b20d9

          SHA1

          70fefc971846f0bc141e7981dd21aab5a755e320

          SHA256

          570175954fc5aba04f578abbabfe9dda683e482298484c51dab6c80f8e6cc58a

          SHA512

          9e6d96e94fbbbd2daca6a2eb2facd397294d7edaa817fac07ee28ee0bb5408fbdd56f2868e5133befdcb278ea7a0c946f0a7aba60d075def0d6505841b9239dd

        • C:\stealth.exe

          Filesize

          2KB

          MD5

          96a6bf00cb4a211e1bda8f3a2a852187

          SHA1

          9c3d1b521daf4270a4bbfd9cc71cfaace7c33ab8

          SHA256

          1657177cb281ff3a6ddad39df24e06b64f68214431958ae1a96dfe7beb8a8521

          SHA512

          3a97a16715d01c4691664a40a9caa8d20b5f5f8e18517567a397ba5dc36abd91e50c7b23f72ddfe374aa052e731a359a224e27215ffbf57050c856c577074ee3

        • C:\stealth.injector.exe

          Filesize

          6KB

          MD5

          23a21d0c1dd11772318e9dd8b9daebda

          SHA1

          ba076fd48984643b0bbab4b6d8eac63b4065f38c

          SHA256

          f36b8501d056b943d691b17399d21bd313689c9680a83138df74076492fd1b46

          SHA512

          0903e87b23d3ad88319a3bcf6c4f253d8be05a7a3ca71a59318ee4f116781828e36d2ac68037fbc2bdc21140a8c9a05dcc5a003808cce64c723cfb94818fc888

        • C:\stealth.shared.dll

          Filesize

          8KB

          MD5

          55b5e659d7239bb6b31786d180ce86ce

          SHA1

          6912a4e842487ff97f9a302df58521161804228c

          SHA256

          cd48db3ad88ab55a6cbbbd18d3595fe19b5bcd76a263d2dfc8eec298b66c42f2

          SHA512

          af3338dd465a612a50dd8e4ee741026e7aabd65ff975d0bbffbd05891133cc154998db694a1caf1b583b015f8332a032c9e9a26dd6ae2dc463cbdec067bc1743

        • C:\stealth.shared.dll

          Filesize

          8KB

          MD5

          55b5e659d7239bb6b31786d180ce86ce

          SHA1

          6912a4e842487ff97f9a302df58521161804228c

          SHA256

          cd48db3ad88ab55a6cbbbd18d3595fe19b5bcd76a263d2dfc8eec298b66c42f2

          SHA512

          af3338dd465a612a50dd8e4ee741026e7aabd65ff975d0bbffbd05891133cc154998db694a1caf1b583b015f8332a032c9e9a26dd6ae2dc463cbdec067bc1743

        • C:\stealth.shared.dll

          Filesize

          8KB

          MD5

          55b5e659d7239bb6b31786d180ce86ce

          SHA1

          6912a4e842487ff97f9a302df58521161804228c

          SHA256

          cd48db3ad88ab55a6cbbbd18d3595fe19b5bcd76a263d2dfc8eec298b66c42f2

          SHA512

          af3338dd465a612a50dd8e4ee741026e7aabd65ff975d0bbffbd05891133cc154998db694a1caf1b583b015f8332a032c9e9a26dd6ae2dc463cbdec067bc1743

        • C:\stealth.shared.dll

          Filesize

          8KB

          MD5

          55b5e659d7239bb6b31786d180ce86ce

          SHA1

          6912a4e842487ff97f9a302df58521161804228c

          SHA256

          cd48db3ad88ab55a6cbbbd18d3595fe19b5bcd76a263d2dfc8eec298b66c42f2

          SHA512

          af3338dd465a612a50dd8e4ee741026e7aabd65ff975d0bbffbd05891133cc154998db694a1caf1b583b015f8332a032c9e9a26dd6ae2dc463cbdec067bc1743

        • C:\stealth.shared.dll

          Filesize

          8KB

          MD5

          55b5e659d7239bb6b31786d180ce86ce

          SHA1

          6912a4e842487ff97f9a302df58521161804228c

          SHA256

          cd48db3ad88ab55a6cbbbd18d3595fe19b5bcd76a263d2dfc8eec298b66c42f2

          SHA512

          af3338dd465a612a50dd8e4ee741026e7aabd65ff975d0bbffbd05891133cc154998db694a1caf1b583b015f8332a032c9e9a26dd6ae2dc463cbdec067bc1743

        • C:\stealth.shared.dll

          Filesize

          8KB

          MD5

          55b5e659d7239bb6b31786d180ce86ce

          SHA1

          6912a4e842487ff97f9a302df58521161804228c

          SHA256

          cd48db3ad88ab55a6cbbbd18d3595fe19b5bcd76a263d2dfc8eec298b66c42f2

          SHA512

          af3338dd465a612a50dd8e4ee741026e7aabd65ff975d0bbffbd05891133cc154998db694a1caf1b583b015f8332a032c9e9a26dd6ae2dc463cbdec067bc1743

        • C:\stealth.shared.dll

          Filesize

          8KB

          MD5

          55b5e659d7239bb6b31786d180ce86ce

          SHA1

          6912a4e842487ff97f9a302df58521161804228c

          SHA256

          cd48db3ad88ab55a6cbbbd18d3595fe19b5bcd76a263d2dfc8eec298b66c42f2

          SHA512

          af3338dd465a612a50dd8e4ee741026e7aabd65ff975d0bbffbd05891133cc154998db694a1caf1b583b015f8332a032c9e9a26dd6ae2dc463cbdec067bc1743

        • C:\stealth.spam1.exe

          Filesize

          3KB

          MD5

          9efb6b49318e9781eb02ed61c2cc5ec9

          SHA1

          792d539bd335fec1c8a6a463935e9f380d9d849d

          SHA256

          ed795bb5b8ff69c4804d22facee97949bdfc7918a8877afebdb5fd2fcf5042f9

          SHA512

          4f908dec5583be6171e74d08e54b8698d8ee09d2c3e5a0696039e13a6933d20c644db831497e06bb2111df3f3c7288ee12bb1c638d0c18f31a1efc5687bcd15f

        • C:\stealth.spam2.exe

          Filesize

          10KB

          MD5

          65c5254a64c570849238bcf4a113f5a5

          SHA1

          29be3837fd8c6600d5a2bb1467f8a67206886768

          SHA256

          5d764f5ee415bec1437453c5eb3d8a07703970652bfaa5284cebdc7d9fe66415

          SHA512

          f2d1930de839e1d0968b715af3a370cef06fcea5cd23adf2462b4c56ad567ad254accf0908393219f2a8d072e4f87106a31c1fcfa2fc62cbbb5ea17ce37f2cbd

        • C:\stealth.stat.exe

          Filesize

          1KB

          MD5

          693d1cd39a90e7b767f78e642615dc69

          SHA1

          d85fd774b3f45edabe9eeac30b58349fbe379c67

          SHA256

          c4e31e6230af05485b358da0e6220fcda858135a0904cba9817044f8992c3320

          SHA512

          09962bc96e77e71025a67564d2c68100a7353f5fcf038153062a0b15544ae8397d109c2debb79b962432867fb5bcff8e8a5eaffbe1838ff85bd06a211bf39f4a

        • C:\stealth.wm.exe

          Filesize

          2KB

          MD5

          105de707d47f965bb776745f340e5a9e

          SHA1

          faa07b5d8d5561ec187739062a28bb806b187e01

          SHA256

          f37e47e64816e2207ae3bccfe00cd9fa2948e4433682869ae0f6d80b3500f519

          SHA512

          a9775c9b37184cee8c13a629f495891ae7de19e613f93d853ec06b4b8e8ce96a849c25531e8a2745e3b75d681decdc4e08cfa03f1434c6e97d568c7c89e4d82f

        • \??\c:\stealth.bszip.dll

          Filesize

          31KB

          MD5

          c955c72c5d0772257c57a017270b4628

          SHA1

          175c4442b51fdc9efd63cec7c6fec7258af3c707

          SHA256

          ce3c94fd3f24162665394af6dfe7f26e382c396f20a619b735477c8a31c93002

          SHA512

          d60967a83e207d0fc778bbbb828f31a909fdf8e97699071a8673d6b23cd188e6e541e03cbc85a6ff4663280bef372bf43919ed8998be4b62a42db20a079a9d38

        • \??\c:\stealth.dcom.exe

          Filesize

          4KB

          MD5

          f5c0b57549633160bf141d03dc3491df

          SHA1

          dd9983cbb00c9f5fb9df0690a7c9a51ffc00e959

          SHA256

          d33bbca82e6e52c2274e4ea6f9ad91aaaff476d64be90e35e011a66bacb6aed3

          SHA512

          f3f91c919640aaa3f78595d0bfbac6c41108cf364bfbc5fd020000af61b32cec15639d358145e73a9a1e76b9e82a67239c6285832df7ef885d53a608d64c854d

        • \??\c:\stealth.ddos.exe

          Filesize

          4KB

          MD5

          a3bd281e3a3ed1837d4f4445526b20d9

          SHA1

          70fefc971846f0bc141e7981dd21aab5a755e320

          SHA256

          570175954fc5aba04f578abbabfe9dda683e482298484c51dab6c80f8e6cc58a

          SHA512

          9e6d96e94fbbbd2daca6a2eb2facd397294d7edaa817fac07ee28ee0bb5408fbdd56f2868e5133befdcb278ea7a0c946f0a7aba60d075def0d6505841b9239dd

        • \??\c:\stealth.injector.exe

          Filesize

          6KB

          MD5

          23a21d0c1dd11772318e9dd8b9daebda

          SHA1

          ba076fd48984643b0bbab4b6d8eac63b4065f38c

          SHA256

          f36b8501d056b943d691b17399d21bd313689c9680a83138df74076492fd1b46

          SHA512

          0903e87b23d3ad88319a3bcf6c4f253d8be05a7a3ca71a59318ee4f116781828e36d2ac68037fbc2bdc21140a8c9a05dcc5a003808cce64c723cfb94818fc888

        • \??\c:\stealth.shared.dll

          Filesize

          8KB

          MD5

          55b5e659d7239bb6b31786d180ce86ce

          SHA1

          6912a4e842487ff97f9a302df58521161804228c

          SHA256

          cd48db3ad88ab55a6cbbbd18d3595fe19b5bcd76a263d2dfc8eec298b66c42f2

          SHA512

          af3338dd465a612a50dd8e4ee741026e7aabd65ff975d0bbffbd05891133cc154998db694a1caf1b583b015f8332a032c9e9a26dd6ae2dc463cbdec067bc1743

        • \??\c:\stealth.spam1.exe

          Filesize

          3KB

          MD5

          9efb6b49318e9781eb02ed61c2cc5ec9

          SHA1

          792d539bd335fec1c8a6a463935e9f380d9d849d

          SHA256

          ed795bb5b8ff69c4804d22facee97949bdfc7918a8877afebdb5fd2fcf5042f9

          SHA512

          4f908dec5583be6171e74d08e54b8698d8ee09d2c3e5a0696039e13a6933d20c644db831497e06bb2111df3f3c7288ee12bb1c638d0c18f31a1efc5687bcd15f

        • \??\c:\stealth.spam2.exe

          Filesize

          10KB

          MD5

          65c5254a64c570849238bcf4a113f5a5

          SHA1

          29be3837fd8c6600d5a2bb1467f8a67206886768

          SHA256

          5d764f5ee415bec1437453c5eb3d8a07703970652bfaa5284cebdc7d9fe66415

          SHA512

          f2d1930de839e1d0968b715af3a370cef06fcea5cd23adf2462b4c56ad567ad254accf0908393219f2a8d072e4f87106a31c1fcfa2fc62cbbb5ea17ce37f2cbd

        • \??\c:\stealth.stat.exe

          Filesize

          1KB

          MD5

          693d1cd39a90e7b767f78e642615dc69

          SHA1

          d85fd774b3f45edabe9eeac30b58349fbe379c67

          SHA256

          c4e31e6230af05485b358da0e6220fcda858135a0904cba9817044f8992c3320

          SHA512

          09962bc96e77e71025a67564d2c68100a7353f5fcf038153062a0b15544ae8397d109c2debb79b962432867fb5bcff8e8a5eaffbe1838ff85bd06a211bf39f4a

        • \??\c:\stealth.wm.exe

          Filesize

          2KB

          MD5

          105de707d47f965bb776745f340e5a9e

          SHA1

          faa07b5d8d5561ec187739062a28bb806b187e01

          SHA256

          f37e47e64816e2207ae3bccfe00cd9fa2948e4433682869ae0f6d80b3500f519

          SHA512

          a9775c9b37184cee8c13a629f495891ae7de19e613f93d853ec06b4b8e8ce96a849c25531e8a2745e3b75d681decdc4e08cfa03f1434c6e97d568c7c89e4d82f

        • \??\c:\stealth.worm.exe

          Filesize

          85KB

          MD5

          b4aaf45f19300d4b22da2c33fff81beb

          SHA1

          653967cd2186fea0af00fd3ed524095c73d4dc3f

          SHA256

          27b7443c7983e1b81bbe97704400f0816949dde166bc9afe50f355b456dd6440

          SHA512

          3475f774f5bce0fa6be8da43eb0972e2be9bb4524291cca0e50503bd8633eb5d155995d30581186e26734102eb8a23378fab73fe6266cfd85de1b5cc5b19d519

        • memory/1732-156-0x0000000000400000-0x0000000000402000-memory.dmp

          Filesize

          8KB

        • memory/1780-179-0x0000000000400000-0x0000000000402000-memory.dmp

          Filesize

          8KB

        • memory/1816-155-0x0000000000400000-0x0000000000403000-memory.dmp

          Filesize

          12KB

        • memory/1816-161-0x0000000005490000-0x000000000559C000-memory.dmp

          Filesize

          1.0MB

        • memory/1816-180-0x0000000000400000-0x0000000000403000-memory.dmp

          Filesize

          12KB

        • memory/1816-175-0x0000000010000000-0x0000000010004000-memory.dmp

          Filesize

          16KB

        • memory/1820-176-0x0000000000400000-0x0000000000402000-memory.dmp

          Filesize

          8KB

        • memory/1868-177-0x0000000000400000-0x0000000000404000-memory.dmp

          Filesize

          16KB

        • memory/1868-178-0x0000000010000000-0x0000000010004000-memory.dmp

          Filesize

          16KB

        • memory/4612-173-0x0000000001000000-0x000000000102D000-memory.dmp

          Filesize

          180KB

        • memory/4612-132-0x0000000001000000-0x000000000102D000-memory.dmp

          Filesize

          180KB

        • memory/4892-145-0x0000000000400000-0x0000000000402000-memory.dmp

          Filesize

          8KB

        • memory/4892-153-0x0000000010000000-0x0000000010004000-memory.dmp

          Filesize

          16KB

        • memory/4952-152-0x0000000000400000-0x0000000000402000-memory.dmp

          Filesize

          8KB

        • memory/4952-154-0x0000000010000000-0x0000000010004000-memory.dmp

          Filesize

          16KB